/* ============================================================
   SMS Gateway - Toss-inspired Design System
   ============================================================ */

@import url('https://cdn.jsdelivr.net/gh/toss/tossface/dist/tossface.css');

:root {
    --color-blue: #3182f6;
    --color-blue-dark: #1b64da;
    --color-blue-light: #e8f3ff;
    --color-green: #00c471;
    --color-green-light: #e0fbef;
    --color-red: #f04452;
    --color-red-light: #ffe0e0;
    --color-orange: #f59e0b;
    --color-orange-light: #fef3c7;
    --color-purple: #7c3aed;
    --color-purple-light: #ede9fe;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f2f4f6;
    --color-gray-200: #e5e8eb;
    --color-gray-300: #d1d6db;
    --color-gray-400: #b0b8c1;
    --color-gray-500: #8b95a1;
    --color-gray-600: #6b7684;
    --color-gray-700: #4e5968;
    --color-gray-800: #333d4b;
    --color-gray-900: #191f28;
    --color-white: #ffffff;
    --sidebar-width: 240px;
    --header-height: 56px;
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-family);
    background-color: var(--color-white);
    color: var(--color-gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.02em;
}

a { color: var(--color-blue); text-decoration: none; }
a:hover { text-decoration: none; }

/* ============================================================
   Landing Page
   ============================================================ */
.landing-page {
    overflow-x: hidden;
}

/* Landing Nav */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(15,23,42,0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 1000;
}

.landing-nav-logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
}

.landing-nav-logo .logo-text .logo-gateway {
    color: #fff;
}

.landing-nav .btn-ghost {
    color: #94a3b8;
}

.landing-nav .btn-ghost:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.landing-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 2rem 60px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #0f2744 70%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
    color: #fff;
}

/* 블러 배경 그라데이션 원형 */
.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(49,130,246,0.25) 0%, rgba(49,130,246,0.05) 40%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: heroGlow 6s ease-in-out infinite alternate;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -200px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: heroGlow 8s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
    0% { opacity: 0.6; transform: translateX(-50%) scale(1); }
    100% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

/* 그리드 패턴 배경 */
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* 플로팅 아이콘 */
.hero-floating {
    position: absolute;
    font-size: 2.5rem;
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.hero-floating:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; animation-duration: 7s; }
.hero-floating:nth-child(2) { top: 25%; right: 10%; animation-delay: 1s; animation-duration: 5s; font-size: 3rem; opacity: 0.1; }
.hero-floating:nth-child(3) { bottom: 20%; left: 12%; animation-delay: 2s; animation-duration: 8s; }
.hero-floating:nth-child(4) { bottom: 30%; right: 8%; animation-delay: 0.5s; animation-duration: 6s; font-size: 2rem; }
.hero-floating:nth-child(5) { top: 45%; left: 3%; animation-delay: 3s; animation-duration: 9s; font-size: 1.8rem; opacity: 0.08; }
.hero-floating:nth-child(6) { top: 60%; right: 5%; animation-delay: 1.5s; animation-duration: 7s; font-size: 2.2rem; opacity: 0.1; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(5deg); }
    66% { transform: translateY(10px) rotate(-3deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(49,130,246,0.15);
    color: #93c5fd;
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(49,130,246,0.25);
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: #ffffff;
    margin-bottom: 1.25rem;
    letter-spacing: -0.04em;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #60a5fa, #3b82f6, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.2rem;
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.hero-desc strong {
    color: #e2e8f0 !important;
}

.hero-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons .btn-outline {
    border-color: rgba(255,255,255,0.2);
    color: #e2e8f0;
    background: rgba(255,255,255,0.05);
}

.hero-buttons .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.3);
}

/* 히어로 하단 수치 카드 */
.hero-stats {
    margin-top: 3rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stat-item {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 1.25rem 2rem;
    backdrop-filter: blur(10px);
    min-width: 140px;
    transition: all 0.3s;
}

.hero-stat-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(49,130,246,0.3);
    transform: translateY(-2px);
}

.hero-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.15rem;
}

.hero-stat-label {
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
}

/* Features Section */
.section {
    padding: 100px 2rem;
}

.section-center {
    max-width: 1080px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-gray-600);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.feature-icon.blue { background: var(--color-blue-light); }
.feature-icon.green { background: var(--color-green-light); }
.feature-icon.purple { background: var(--color-purple-light); }
.feature-icon.orange { background: var(--color-orange-light); }
.feature-icon.red { background: var(--color-red-light); }

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Steps Section */
.section-dark {
    background: var(--color-gray-900);
    color: var(--color-white);
}

.section-dark .section-header h2 { color: var(--color-white); }
.section-dark .section-header p { color: var(--color-gray-400); }

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.step-card {
    text-align: center;
    padding: 2rem 1.5rem;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(49,130,246,0.2);
    color: var(--color-blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
}

.step-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--color-gray-400);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 100px 2rem;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #f0f4ff 100%);
}

.cta-section h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--color-gray-600);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-outline-dark {
    background: var(--color-white);
    border: 2px solid var(--color-gray-900);
    color: var(--color-gray-900);
    font-weight: 700;
}
.btn-outline-dark:hover {
    background: var(--color-gray-900);
    color: var(--color-white);
}

/* App Download Section */
.app-download-section {
    background: linear-gradient(180deg, #f0f4ff 0%, #ffffff 100%);
}

.app-download-card {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-blue);
    padding: 2.5rem 2rem;
    box-shadow: 0 4px 24px rgba(49, 130, 246, 0.1);
}

.app-download-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.app-download-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.app-download-size {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-bottom: 1.5rem;
}

.app-install-guide {
    margin-top: 2rem;
    text-align: left;
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.app-install-guide h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.install-step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-gray-700);
    line-height: 1.5;
}

.install-step-num {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    background: var(--color-blue);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 1px;
}

.install-notice {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--color-gray-500);
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-gray-200);
}

/* Compare Table */
.compare-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 700px;
}

.compare-table thead tr {
    background: var(--color-gray-50);
}

.compare-table th {
    padding: 1rem 1.25rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-gray-600);
    border-bottom: 2px solid var(--color-gray-200);
}

.compare-table td {
    padding: 1rem 1.25rem;
    text-align: center;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-100);
    vertical-align: middle;
}

.compare-table tbody tr:hover {
    background: var(--color-gray-50);
}

.compare-table .compare-highlight {
    background: rgba(49, 130, 246, 0.04);
    border-left: 3px solid var(--color-blue);
    font-weight: 600;
}

.compare-table thead .compare-highlight {
    background: var(--color-blue);
    color: var(--color-white);
    font-weight: 800;
    font-size: 0.9rem;
    border-left: none;
}

/* Savings Grid */
.savings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.savings-card {
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: 2rem;
    position: relative;
    border: 1px solid var(--color-gray-200);
}

.savings-card.best {
    border: 2px solid var(--color-blue);
    background: var(--color-blue-light);
}

.savings-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--color-blue);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    letter-spacing: 0.05em;
}

.savings-amount {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.savings-comparison {
    margin-bottom: 1rem;
}

.savings-bar-label {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    font-weight: 600;
    margin-bottom: 0.3rem;
    margin-top: 0.75rem;
}

.savings-bar-label:first-child {
    margin-top: 0;
}

.savings-bar {
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    min-width: 80px;
    white-space: nowrap;
    transition: width 1s ease;
}

.savings-bar.others {
    background: var(--color-red-light);
    color: var(--color-red);
}

.savings-bar.ours {
    background: var(--color-blue-light);
    color: var(--color-blue);
}

.savings-result {
    font-size: 0.9rem;
    font-weight: 700;
    margin-top: 0.75rem;
}

.savings-result.neutral { color: var(--color-gray-500); }
.savings-result.save { color: var(--color-green); }
.savings-result.save.big { font-size: 1.05rem; color: var(--color-blue); }

/* Pain/Solution Grid */
.pain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.pain-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: rgba(240, 68, 82, 0.06);
    border: 1px solid rgba(240, 68, 82, 0.18);
}

.pain-card .pain-label {
    color: var(--color-red);
}

.pain-card.solution {
    background: rgba(49, 130, 246, 0.1);
    border: 1px solid rgba(49, 130, 246, 0.2);
}

.pain-card.solution .pain-label {
    color: var(--color-blue);
}

.pain-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.pain-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-400);
    margin-bottom: 0.5rem;
}

.pain-card p {
    font-size: 0.95rem;
    color: var(--color-gray-300);
    line-height: 1.6;
}

.pain-card.solution p {
    color: var(--color-white);
}

.pain-card.solution p strong {
    color: #90cafe;
}

/* Steps Horizontal */
.steps-horizontal {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.step-h-card {
    text-align: center;
    padding: 2rem;
    flex: 1;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.step-h-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-blue);
    color: var(--color-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.step-h-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.step-h-card p {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    line-height: 1.5;
    text-align: left;
}

.step-h-arrow {
    font-size: 1.5rem;
    color: var(--color-gray-400);
    padding: 0 0.75rem;
    font-weight: 300;
}

/* Pricing Card */
.pricing-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-blue), #6366f1);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.35rem 1.25rem;
    border-radius: 100px;
    letter-spacing: 0.1em;
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.6rem 0;
    font-size: 0.9rem;
    color: var(--color-gray-700);
    line-height: 1.5;
}

.pricing-check {
    color: var(--color-blue);
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

/* Logo Styles */
.logo-text {
    font-weight: 900;
    letter-spacing: -0.04em;
    display: inline-block;
}

.logo-text .logo-sms {
    color: var(--color-white);
    background: var(--color-blue);
    padding: 0.1em 0.35em;
    border-radius: 6px;
    margin-right: 0.15em;
    font-size: 0.85em;
    letter-spacing: 0.02em;
}

.logo-text .logo-gateway {
    color: var(--color-gray-900);
}

/* Footer */
.landing-footer {
    padding: 2.5rem 2rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray-500);
    border-top: 1px solid var(--color-gray-200);
}

/* ============================================================
   App Layout (Dashboard)
   ============================================================ */
.app-container { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-white);
    border-right: 1px solid var(--color-gray-200);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.sidebar-logo {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin: 0;
}

.sidebar-nav { padding: 0.75rem 0; }
.sidebar-nav ul { list-style: none; padding: 0; margin: 0; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1.5rem;
    color: var(--color-gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s;
    text-decoration: none;
    border-radius: 0;
}

.nav-link:hover {
    color: var(--color-gray-900);
    background: var(--color-gray-100);
}

.nav-link.active {
    color: var(--color-blue);
    background: var(--color-blue-light);
    font-weight: 600;
}

.nav-icon { font-size: 1.1rem; width: 22px; text-align: center; }

.nav-section-title {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-gray-400);
    font-weight: 700;
}

/* Main Content */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--color-gray-50);
}

/* Header */
.top-header {
    height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left { display: flex; align-items: center; gap: 1rem; }
.header-right { display: flex; align-items: center; gap: 0.75rem; }

.sidebar-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--color-gray-600);
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.logout-form { display: inline; }

.btn-logout {
    background: none;
    border: 1px solid var(--color-gray-200);
    border-radius: 100px;
    padding: 0.3rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-family);
}

.btn-logout:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

/* Content Area */
.content-area {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
}

/* ============================================================
   Auth Pages
   ============================================================ */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--color-gray-50);
    padding: 1rem;
}

.auth-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin: 0;
}

.auth-logo p {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    margin: 0.5rem 0 0;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-body { padding: 1.5rem; }

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

/* ============================================================
   Stats Grid
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gray-500);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.stat-value.primary { color: var(--color-blue); }
.stat-value.success { color: var(--color-green); }
.stat-value.danger { color: var(--color-red); }
.stat-value.warning { color: var(--color-orange); }

/* ============================================================
   Forms
   ============================================================ */
.form-group { margin-bottom: 1.25rem; }

.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-control {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-family);
    color: var(--color-gray-900);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    background: var(--color-white);
}

.form-control:focus {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(49,130,246,0.12);
}

.form-control::placeholder {
    color: var(--color-gray-400);
}

.form-select {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-family);
    background: var(--color-white);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-select:focus {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(49,130,246,0.12);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-gray-400);
    margin-top: 0.3rem;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--color-blue);
    color: var(--color-white);
}
.btn-primary:hover { background: var(--color-blue-dark); }

.btn-success {
    background: var(--color-green);
    color: var(--color-white);
}
.btn-success:hover { background: #00a85e; }

.btn-danger {
    background: var(--color-red);
    color: var(--color-white);
}
.btn-danger:hover { background: #d63341; }

.btn-warning {
    background: var(--color-orange);
    color: var(--color-white);
}
.btn-warning:hover { background: #e08e00; }

.btn-outline {
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-700);
}
.btn-outline:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
}
.btn-ghost:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; }
.btn-xl { padding: 1rem 2rem; font-size: 1.05rem; border-radius: var(--radius-md); }
.btn-block { width: 100%; }
.btn-round { border-radius: 100px; }

/* ============================================================
   Alerts
   ============================================================ */
.alert {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-success {
    background: var(--color-green-light);
    color: #065f46;
}

.alert-danger,
.alert-error {
    background: var(--color-red-light);
    color: #991b1b;
}

.alert-warning {
    background: var(--color-orange-light);
    color: #92400e;
}

.alert-info {
    background: var(--color-blue-light);
    color: #1e40af;
}

/* ============================================================
   Tables
   ============================================================ */
.table-container {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

table thead tr {
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

table th {
    padding: 0.85rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-gray-600);
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

table td {
    padding: 0.85rem 1rem;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-100);
}

table tbody tr:hover { background: var(--color-gray-50); }
table tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   Badges
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0;
}

.badge-gray { background: var(--color-gray-100); color: var(--color-gray-600); }
.badge-yellow { background: var(--color-orange-light); color: #92400e; }
.badge-blue { background: var(--color-blue-light); color: #1b64da; }
.badge-green { background: var(--color-green-light); color: #065f46; }
.badge-red { background: var(--color-red-light); color: #991b1b; }
.badge-purple { background: var(--color-purple-light); color: #5b21b6; }

/* ============================================================
   OTP Display
   ============================================================ */
.otp-display {
    background: var(--color-blue-light);
    border: 2px solid var(--color-blue);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.otp-code {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: 0.3em;
    color: var(--color-blue-dark);
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    background: var(--color-white);
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    gap: 0.25rem;
    justify-content: center;
}

.page-item .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gray-700);
    text-decoration: none;
    transition: all 0.15s;
}

.page-item .page-link:hover { background: var(--color-gray-100); }

.page-item.active .page-link {
    background: var(--color-blue);
    color: var(--color-white);
    border-color: var(--color-blue);
}

.page-item.disabled .page-link {
    color: var(--color-gray-400);
    pointer-events: none;
}

/* ============================================================
   Payment Info
   ============================================================ */
.payment-info {
    background: var(--color-orange-light);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.payment-info h4 {
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
    color: #713f12;
}

.payment-info table td {
    padding: 0.2rem 1rem 0.2rem 0;
    border-bottom: none;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active { display: flex; }

.modal-box {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
    padding: 3rem;
    text-align: center;
    color: var(--color-gray-400);
}

.empty-state p { margin: 0 0 1rem; font-size: 1rem; }

/* ============================================================
   Utility Classes
   ============================================================ */
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.text-center { text-align: center; }
.text-muted { color: var(--color-gray-500); }
.text-sm { font-size: 0.85rem; }
.d-inline { display: inline; }
.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 0.75rem; }
.flex-wrap { flex-wrap: wrap; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-toggle { display: flex; }
    .main-wrapper { margin-left: 0; }
    .content-area { padding: 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .hero h1 { font-size: 2.25rem; }
    .hero-desc { font-size: 1rem; }
    .section-header h2 { font-size: 1.75rem; }
    .savings-grid { grid-template-columns: 1fr; }
    .pain-grid { grid-template-columns: 1fr; }
    .steps-horizontal { flex-direction: column; }
    .step-h-arrow { transform: rotate(90deg); padding: 0.5rem 0; }
    .hero-floating { display: none; }
    .hero-stats { flex-direction: column; align-items: center; }
    .hero-stat-item { min-width: 200px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .auth-card { padding: 1.5rem; }
    .hero h1 { font-size: 1.75rem; }
    .landing-nav { padding: 0 1rem; }
    .savings-grid { grid-template-columns: 1fr; }
    .pricing-card { padding: 2rem 1.5rem; }
    .section { padding: 60px 1rem; }
    .hero { padding: 100px 1rem 60px; }
}